<!DOCTYPE html>
<html lang="en">

{% include head.html %}

<!-- hack iOS CSS :active style -->
<head>
    <script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"  type="text/javascript"></script>
    <script type="text/x-mathjax-config">
        MathJax.Hub.Config({
            tex2jax: {
            skipTags: ['script', 'noscript', 'style', 'textarea', 'pre'],
            inlineMath: [['$','$']]
            }
        });
    </script>
</head>
<meta name="google-site-verification" content="tE_wMAwk3RcQSZQVT2aG0BAPPQYhuSEvpmcjDKieX50" />
<body ontouchstart="">

    {% include nav.html %}

    {{ content }}

    {% include footer.html %}


<!-- Image to hack wechat -->
<img src="/img/apple-touch-icon.png" width="0" height="0" />
<!-- Migrate from head to bottom, no longer block render and still
